Home / 75,074.71-103,603.09-41,083.20

Finding the Fourth Proportional to 75,074.71, 103,603.09 and 41,083.20

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Solution

The fourth proportional to 75,074.71, 103,603.09 and 41,083.20 is: 56,694.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,074.71 : 103,603.09 = 41,083.20 : x
  2. Step 2: Convert to fraction form
    75,074.71/103,603.09 = 41,083.20/x
  3. Step 3: Cross multiply
    75,074.71x = 103,603.09 × 41,083.20
  4. Step 4: Simplify right side
    75,074.71x = 4,256,346,467.09
  5. Step 5: Solve for x
    x = 4,256,346,467.09/75,074.71
  6. Step 6: Final answer
    x = 56,694.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.